MATHEMATON Snapshots of the Restoration Procedure ... the "MATHEMATON" came dirty and rusty It consists of 2 Parts: The UPPER PART is the manual-operatable CALCULATOR ( shown upside-down ) and the LOWER PART is the MOTOR UNIT Both clipped together on the sides ... ... A 10s-CARRY-UNIT with its SPRING and broken SUPPORT fall out of the CARRIAGE |
Disassembling the "Area-In-Question" ... ... shows the BROKEN SUPPORT BEAM ( Compare with right Unit !) Made a SUPPORT BEAM out of a Sheet-Metall Strip - glued-in ... ... and placed the 10s-Carry-Unit and its Spring DETAIL of the assembled Carriage: ( !!! DIFFERENT POSITIONS OF THE DISPLAY-GEARS !!!) Picture of the disassembled UPPER UNIT ... DETAIL Pictures of KEYBOARD UNITS ... DETAIL Pictures of SPACERs under LOCATION-MARKER ... ... give more SPACE to move CARRIAGE without friction Back to the MATHEMATON Main Page +++ R E M A R K S +++ To Restoration Procedure ... ========================================================================== Broken ANGLE on top/right of the CARRIAGE had to be home-made and GLUED-on Missing "KeyBoard-DELETE"-KEY + "Automatic-Division"-KEY made out of CAPs impressum: ************************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 02/08/20 |